Re: [PATCH] OMAP: McSPI: Fix RX DMA transfer path

["Hemanth V" <hemanthv@ti.com>]

----- Original Message ----- 
From: "Aaro Koskinen" <aaro.koskinen@nokia.com>
Subject: [PATCH] OMAP: McSPI: Fix RX DMA transfer path


> From: Eero Nurkkala <ext-eero.nurkkala@nokia.com>
>
> When data is read through DMA, the last element must be read separately
> through the RX register. It cannot be transferred by the DMA. For further
> details see e.g. OMAP3430 TRM.

Could you provide the section number and the version of TRM you are
referring to.

>
> Without the fix the driver causes extra clocks to be clocked to the
> bus after DMA RX operations. This can cause interesting behaviour with
> some devices.

Could you provide more details on the errors seen i.e is the transfer 
aborted

Thanks
Hemanth